I made this list for myself a year ago when I was feeling frustrated and unmotivated (that first East Coast Winter is a doozy) and taped it to my studio wall. Yesterday it ended up on Boing Boing!
I find it very helpful to make up rules for myself, even if I end up ignoring half of them (I haven’t really turned the internet off since 1998). No list can be one size fits all, so here’s my one bit of prescriptive advice: Make your own list, custom-tailored to what you do and how you work!
And as for other things like this on the internet (there are lots), I highly, highly recommend: